The Book of Pilgrimage (Kitab Al-Hajj)
Muslim :: Book 7 : Hadith 2880
Qatida said: I asked Anas (Allah be pleased with him) as to bow many Pilgrimages had been performed by Allah's Messenger (may peace be upon him), and he replied: One Hajj and four 'Umras were performed by him. The rest of the badith is the same.